The Hyperloop sounded like science fiction when the fantastic concept was first raised by engineer and entrepreneur Elon Musk.

Traveling through pneumatic tubes, Musk said the system said would enable travel from Los Angeles to San Francisco in less than 30 minutes, crossing a distance of 343 miles (552 kilometres) at more than 685 miles per hour (1,102 kilometres per hour.) While the project may seem fantastical, additional details…